Alaska Airlines Flights from Ontario to Sydney
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1 Passenger
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Lowest fares from Ontario to Sydney
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One-way low-fare flights Ontario to Sydney.*
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From | To | Fare Type | Dates | Price | |
|---|---|---|---|---|---|
| Ontario (ONT) | Sydney (SYD) | One-way | Saver | Depart: Sep 3, 2026 | From $679 Seen: 5 hours ago | |
| Ontario (ONT) | Sydney (SYD) | One-way | Saver | Depart: Sep 10, 2026 | From $679 Seen: 5 hours ago | |
| Ontario (ONT) | Sydney (SYD) | One-way | Saver | Depart: Sep 12, 2026 | From $679 Seen: 5 hours ago | |
| Ontario (ONT) | Sydney (SYD) | One-way | Saver | Depart: Sep 24, 2026 | From $679 Seen: 5 hours ago | |
| Ontario (ONT) | Sydney (SYD) | One-way | Saver | Depart: Sep 26, 2026 | From $679 Seen: 5 hours ago | |
| Ontario (ONT) | Sydney (SYD) | One-way | Saver | Depart: Sep 2, 2026 | From $679 Seen: 5 hours ago | |
| Ontario (ONT) | Sydney (SYD) | One-way | Saver | Depart: Sep 4, 2026 | From $679 Seen: 5 hours ago | |
| Ontario (ONT) | Sydney (SYD) | One-way | Saver | Depart: Sep 28, 2026 | From $679 Seen: 5 hours ago |
*Displayed prices have been available within the past 24 hours and may not be available at the time of booking. Fares listed may be Saver fares, which is our most restrictive fare option and subject to additional restrictions. For roundtrip journeys, the price displayed—available within the past 24 hours—is the aggregate of the lowest available fare each way. Additional baggage charges and fees for optional products and services may apply. Other terms and conditions may apply.